"A Sean O'Brien novel" -- cover.

"Caroline Harper still thinks of him every day. For more than fifty years, not a day goes by when Caroline doesn't think of her brother Andy. The last time she saw Andy was when he left home to spend thirty days at the Florida School for Boys - a reform school. After the thirty days, Caroline's family was told that Andy ran away in the middle of the night. But Caroline has reason to believe something more sinister happened. Fifty years later that suspicion is opened in a strange letter sent to Sean O'Brien" -- back cover.